#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main() {
    int a;
    while (scanf("%d ", &a) != EOF) {
        if (a % 2 == 0)
            printf("Even\n");
        if (a % 2 == 1)
            printf("Odd\n");
    }
    return 0;
}